ChemicalBook > CAS DataBase List > 1-(2-(pyrrolidin-1-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

1-(2-(pyrrolidin-1-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

Product Name
1-(2-(pyrrolidin-1-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
CAS No.
1000802-52-7
Chemical Name
1-(2-(pyrrolidin-1-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
Synonyms
1-(2-(Pyrrolidin-1-yl);1-(2-(pyrrolidin-1-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-di...;1-[2-(pyrrolidin-1-yl)ethyl]-4-(tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;1- [2-(1-pyrrolidine)ethyl]-4-(4,4,5,5-tetramethyl-1,3,2-dioxanborane-2-yl)-1H-pyrazole;1-[2-(1-Pyrrolidinyl)ethyl]-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;1-(2-(pyrrolidin-1-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;1H-Pyrazole, 1-[2-(1-pyrrolidinyl)ethyl]-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-;1-(2-(Pyrrolidin-1-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole - [P15891]
CBNumber
CB32520123
Molecular Formula
C15H26BN3O2
Formula Weight
291.2
MOL File
1000802-52-7.mol
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1-(2-(pyrrolidin-1-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole Property

Boiling point:
416.9±25.0 °C(Predicted)
Density 
1.11±0.1 g/cm3(Predicted)
storage temp. 
Inert atmosphere,Store in freezer, under -20°C
pka
9.83±0.20(Predicted)
Appearance
White to off-white Solid
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H332Harmful if inhaled

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TRC
Product number
B525165
Product name
1-(2-(Pyrrolidin-1-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
Packaging
10mg
Price
$45
Updated
2021/12/16
Synthonix
Product number
P15891
Product name
1-(2-(Pyrrolidin-1-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
Purity
97%
Packaging
250mg
Price
$180
Updated
2021/12/16
Synthonix
Product number
P15891
Product name
1-(2-(Pyrrolidin-1-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
Purity
97%
Packaging
1g
Price
$450
Updated
2021/12/16
Matrix Scientific
Product number
094047
Product name
1-(2-(Pyrrolidin-1-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
Purity
95+%
Packaging
250mg
Price
$454
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
BOR0005969
Product name
1-(2-(PYRROLIDIN-1-YL)ETHYL)-4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-PYRAZOLE
Purity
95.00%
Packaging
5MG
Price
$495.1
Updated
2021/12/16
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1-(2-(pyrrolidin-1-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole Chemical Properties,Usage,Production

Synthesis

269410-08-4

7250-67-1

1000802-52-7

The reaction was carried out with 4-pyrazoleboronic acid pinacol ester (1.7 g, 8.8 mmol) and N-(2-chloroethyl)pyrrolidine hydrochloride (1.48 g, 8.70 mmol) in the presence of potassium carbonate (3.7 g, 27.00 mmol) for 6 hours at 80 °C with stirring in DMF (15 mL). After completion of the reaction, the reaction mixture was diluted with water (50 mL) and extracted with dichloromethane (50 mL x 3). The organic layers were combined, washed with saturated aqueous sodium chloride solution (15 mL), dried over anhydrous sodium sulfate and concentrated under reduced pressure. The residue was purified by silica gel column chromatography with dichloromethane/ethyl acetate (v/v, 20/1) as eluent to afford the light yellow liquid product 1-[2-(1-pyrrolidinyl)ethyl]-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (1.27 g, 50.10% yield). Mass spectrum (ESI, positive ion mode) m/z: 292.10 [M + 1]+.

References

[1] Patent: WO2016/615, 2016, A1. Location in patent: Paragraph 00719
[2] Patent: US2010/273796, 2010, A1. Location in patent: Page/Page column 20-21
[3] Patent: US2011/34474, 2011, A1. Location in patent: Page/Page column 22
[4] Patent: US2011/71153, 2011, A1. Location in patent: Page/Page column 21
[5] Patent: US2011/92498, 2011, A1. Location in patent: Page/Page column 20-21

1-(2-(pyrrolidin-1-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole Preparation Products And Raw materials

Raw materials

Preparation Products

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1-(2-(pyrrolidin-1-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole Suppliers

Capot Chemical Co., Ltd
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+86 (0) 571 85 58 67 18
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0086-571-85864795
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Shanghai Chainpharm Bio-medical Technology Co., Ltd.
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+86-021-61727342 13611721451
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sales@chainpharm.com
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ShangHai AmK Pharmaceutical Technology Co., Ltd.
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微信 17321281695 18019252918
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sale@amkchem.com
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Changsha Luxing Bio-Chem Technology Co., Ltd.
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0731-88827538 15873153880
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Cool Pharm, Ltd
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Amadis Chemical Company Limited
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Shanghai Zhen Li Biological Technology Co., Ltd
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021-16621358918; 18516310516
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Capot Chemical Co.,Ltd.
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Aikon International Limited
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1000802-52-7, 1-(2-(pyrrolidin-1-yl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleRelated Search:


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  • 1000802-52-7
  • C15H26BN3O2